WO2015118478A3 - Methods for signaling and using beam forming quality indicators - Google Patents

Methods for signaling and using beam forming quality indicators Download PDF

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Publication number
WO2015118478A3
WO2015118478A3 PCT/IB2015/050878 IB2015050878W WO2015118478A3 WO 2015118478 A3 WO2015118478 A3 WO 2015118478A3 IB 2015050878 W IB2015050878 W IB 2015050878W WO 2015118478 A3 WO2015118478 A3 WO 2015118478A3
Authority
WO
WIPO (PCT)
Prior art keywords
beam forming
forming quality
signaling
methods
quality indicator
Prior art date
Application number
PCT/IB2015/050878
Other languages
French (fr)
Other versions
WO2015118478A2 (en
Inventor
Thomas Chapman
Torbjörn ELFSTRÖM
Muhammad Kazmi
Original Assignee
Telefonaktiebolaget L M Ericsson (Publ)
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Telefonaktiebolaget L M Ericsson (Publ) filed Critical Telefonaktiebolaget L M Ericsson (Publ)
Priority to EP15710248.4A priority Critical patent/EP3103201A2/en
Publication of WO2015118478A2 publication Critical patent/WO2015118478A2/en
Publication of WO2015118478A3 publication Critical patent/WO2015118478A3/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
    • H04B7/0617—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal for beam forming
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
    • H04B7/0619—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal using feedback from receiving side
    • H04B7/0621—Feedback content
    • H04B7/0632—Channel quality parameters, e.g. channel quality indicator [CQI]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/08—Reselecting an access point
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/08—Reselecting an access point
    • H04W36/085—Reselecting an access point involving beams of access points
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/24—Reselection being triggered by specific parameters
    • H04W36/30—Reselection being triggered by specific parameters by measured or perceived connection quality data
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/24—Reselection being triggered by specific parameters
    • H04W36/30—Reselection being triggered by specific parameters by measured or perceived connection quality data
    • H04W36/302—Reselection being triggered by specific parameters by measured or perceived connection quality data due to low signal strength

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Relay Systems (AREA)

Abstract

A method in a node is disclosed. The method comprises determining (804) a beam forming quality indicator for the network node, the beam forming quality indicator indicating a beam forming performance gain from the network node having beam forming capability, wherein the beam forming quality indicator comprises at least or is a function of at least a reference signal quality and an achievable signal quality. The method further comprises performing (808) one or more radio operations using the determined beam forming quality indicator.
PCT/IB2015/050878 2014-02-06 2015-02-05 Methods for signaling and using beam forming quality indicators WO2015118478A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP15710248.4A EP3103201A2 (en) 2014-02-06 2015-02-05 Methods for signaling and using beam forming quality indicators

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US201461936444P 2014-02-06 2014-02-06
US61/936,444 2014-02-06
US14/613,071 US9729219B2 (en) 2014-02-06 2015-02-03 Methods for signaling and using beam forming quality indicators
US14/613,071 2015-02-03

Publications (2)

Publication Number Publication Date
WO2015118478A2 WO2015118478A2 (en) 2015-08-13
WO2015118478A3 true WO2015118478A3 (en) 2015-11-26

Family

ID=53755705

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2015/050878 WO2015118478A2 (en) 2014-02-06 2015-02-05 Methods for signaling and using beam forming quality indicators

Country Status (3)

Country Link
US (1) US9729219B2 (en)
EP (1) EP3103201A2 (en)
WO (1) WO2015118478A2 (en)

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Also Published As

Publication number Publication date
US9729219B2 (en) 2017-08-08
WO2015118478A2 (en) 2015-08-13
US20150222345A1 (en) 2015-08-06
EP3103201A2 (en) 2016-12-14

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